Joanne Lutz

Keep an eye out for signs of these common diseases that can damage your tomato crop.

Learn to accurately detect and prevent fusarium wilt with these production tips.

Whitefly infestations are a recurring problem that often plagues poinsettia growers. Successfully keep them in check by letting beneficial predators take the work out of pest control.

High relative humidity and low temperatures in the greenhouse open the way for Botrytis to develop on plants. A mix of cultural and fungicide control options will help you manage this common disease effectively.

Keep thrips populations in check and avoid pesticide resistance by using spray and drench products known for their effectiveness.

Electrical conductivity (EC) and pH, as well as water alkalinity, have the biggest effects on nutrient availability. Learn how to keep track of them through three common methods for better monitoring in the greenhouse.

Learn about which vegetable and herb crops are susceptible to powdery mildew and how to prevent and control it.

Avoid a buildup of soluble salts and create an environment most conducive to nutrient uptake with these three common media testing methods.